Re: Monitor goes to sleep on X startup following upgrade in sid
On 2010-01-26 08:43 +0100, Joe Neal wrote:
> I just rebooted my sid box for the first time in about a week to find
> that my monitor goes into sleep mode following X startup.
> Ctl-Alt-F1-F6 wakes it up and lets me log into a console. Ctl-Alt-F7
> puts it back to sleep.
Looks like bug #564115¹.
> There are some segfaults in the X log related to input drivers, but
> nothing that looks like it would cause this problem. I can't copy and
> paste easily because I'm on a different computer.
> I've got a motherboard with an integrated i915 video chipset that uses
> the intel X driver. The driver is being properly loaded by X
> according to the logs.
In version 2:2.9.1-2, xserver-xorg-video-intel uses kernel mode setting
by default. I assume you are running a 2.6.32 kernel?
> I've tried switching out GDM for KDM to make sure that's not the problem.
> I use apt-listbugs and only upgrade once a week or so. I skimmed the
> list of RC bugs and didn't see anything like this. I searched the
> debian forum, looked at several recent mailing list archives and
> asked on irc. Anyone here got any ideas?
Try adding a line
options i915 powersave=0
to /etc/modprobe.d/i915-kms.conf. Does that help?